cap
calling out, disbelieving, direct
the one-line answer
A lie. To cap means to lie. No cap means no lie, for real.
Cap means a lie or exaggeration. If you say someone is capping, you think they are lying or stretching the truth. 'No cap' means you are being completely honest. The word comes from AAVE and became mainstream through rap and social media. The opposite of cap is no cap.
mainstream
Your coworker might use this word.
01 / in the wild
hear it move.
disagreement
that's cap. there's no way he said that.
That is a lie. I do not believe that happened.
agreement
no cap this is the best thing I've eaten.
Genuinely, with no exaggeration, this is the best.
03 / don't confuse
similar, not the same.
cap
Cap and no cap are opposites
vs
no-cap
No cap means being honest.